Sean Ono Lennon
- Birthday: 1975-10-09
- Place of birth: New York, New York, USA
- Also know as: Sean Taro Ono Lennon
Sean Taro Ono Lennon (born October 9, 1975) is a British-American musician, songwriter, producer and multi-instrumentalist. He is the son of John Lennon and Yoko Ono, and half-brother to Julian Lennon.
